diff --git a/Dockerfile b/Dockerfile
index 7af72ab..d8390e0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,18 +1,13 @@
-FROM ubuntu:22.04
-LABEL maintainer="Jun Kurihara"
+FROM ubuntu:22.04 AS base
 
 SHELL ["/bin/sh", "-x", "-c"]
 ENV SERIAL 2
 
+
+FROM base as builder
+
 ENV CFLAGS=-Ofast
-ENV BUILD_DEPS   curl make build-essential libevent-dev libexpat1-dev autoconf file libssl-dev byacc pkg-config
-ENV RUNTIME_DEPS bash util-linux coreutils findutils grep libssl3 ldnsutils libevent-2.1 expat ca-certificates jed logrotate
-
-RUN apt-get update; apt-get -qy dist-upgrade; apt-get -qy clean && \
-  apt-get install -qy --no-install-recommends $RUNTIME_DEPS && \
-  rm -fr /tmp/* /var/tmp/* /var/cache/apt/* /var/lib/apt/lists/* /var/log/apt/* /var/log/*.log
-
-RUN update-ca-certificates 2> /dev/null || true
+ENV BUILD_DEPS   curl make build-essential libevent-dev libexpat1-dev autoconf file libssl-dev byacc pkg-config ca-certificates
 
 WORKDIR /tmp
 
@@ -20,21 +15,28 @@ COPY . /tmp/
 
 ENV RUSTFLAGS "-C link-arg=-s"
 
+RUN update-ca-certificates 2> /dev/null || true
+
 RUN apt-get update && apt-get install -qy --no-install-recommends $BUILD_DEPS && \
   curl -sSf https://sh.rustup.rs | bash -s -- -y --default-toolchain stable && \
   export PATH="$HOME/.cargo/bin:$PATH" && \
   echo "Building rpxy from source" && \
   cargo build --release && \
-  mkdir -p /opt/rpxy/sbin && \
-  mv /tmp/target/release/rpxy /opt/rpxy/sbin/rpxy && \
-  strip --strip-all /opt/rpxy/sbin/rpxy && \
-  apt-get -qy purge $BUILD_DEPS && apt-get -qy autoremove && \
-  rm -fr ~/.cargo ~/.rustup && \
-  rm -fr /tmp/* /var/tmp/* /var/cache/apt/* /var/lib/apt/lists/* /var/log/apt/* /var/log/*.log &&\
-  rm -fr ~/.cargo ~/.rustup && \
-  rm -fr /tmp/* /var/tmp/* /var/cache/apt/* /var/lib/apt/lists/* /var/log/apt/* /var/log/*.log &&\
-  mkdir -p /var/log/rpxy && touch /var/log/rpxy/rpxy.log
+  strip --strip-all /tmp/target/release/rpxy
 
+FROM base AS runner
+LABEL maintainer="Jun Kurihara"
+
+ENV RUNTIME_DEPS bash logrotate
+
+RUN apt-get update; apt-get -qy dist-upgrade; apt-get -qy clean && \
+  apt-get install -qy --no-install-recommends $RUNTIME_DEPS && \
+  rm -fr /tmp/* /var/tmp/* /var/cache/apt/* /var/lib/apt/lists/* /var/log/apt/* /var/log/*.log &&\
+  mkdir -p /opt/rpxy/sbin &&\
+  mkdir -p /var/log/rpxy && \
+  touch /var/log/rpxy/rpxy.log
+
+COPY --from=builder /tmp/target/release/rpxy /opt/rpxy/sbin/rpxy
 COPY docker-bin/run.sh /
 COPY docker-bin/entrypoint.sh /
 
diff --git a/bench/README.md b/bench/README.md
new file mode 100644
index 0000000..d8a5017
--- /dev/null
+++ b/bench/README.md
@@ -0,0 +1,83 @@
+# Sample Benchmark Result
+
+Using `rewrk` and Docker on a Macbook Pro 14 to simply measure the performance of several reverse proxy through HTTP1.1.
+
+```
+$ rewrk -c 512 -t 4 -d 15s -h http://localhost:8080 --pct
+```
+
+```
+----------------------------
+Benchmark on rpxy
+Beginning round 1...
+Benchmarking 512 connections @ http://localhost:8080 for 15 second(s)
+  Latencies:
+    Avg      Stdev    Min      Max
+    26.81ms  11.96ms  2.96ms   226.04ms
+  Requests:
+    Total: 285390  Req/Sec: 19032.01
+  Transfer:
+    Total: 222.85 MB Transfer Rate: 14.86 MB/Sec
++ --------------- + --------------- +
+|   Percentile    |   Avg Latency   |
++ --------------- + --------------- +
+|      99.9%      |    145.89ms     |
+|       99%       |     81.33ms     |
+|       95%       |     59.08ms     |
+|       90%       |     51.67ms     |
+|       75%       |     42.45ms     |
+|       50%       |     35.39ms     |
++ --------------- + --------------- +
+
+767 Errors: error shutting down connection: Socket is not connected (os error 57)
+
+sleep 3 secs
+----------------------------
+Benchmark on nginx
+Beginning round 1...
+Benchmarking 512 connections @ http://localhost:8090 for 15 second(s)
+  Latencies:
+    Avg      Stdev    Min      Max
+    38.39ms  21.06ms  2.91ms   248.32ms
+  Requests:
+    Total: 199210  Req/Sec: 13288.91
+  Transfer:
+    Total: 161.46 MB Transfer Rate: 10.77 MB/Sec
++ --------------- + --------------- +
+|   Percentile    |   Avg Latency   |
++ --------------- + --------------- +
+|      99.9%      |    164.33ms     |
+|       99%       |    121.55ms     |
+|       95%       |     96.43ms     |
+|       90%       |     85.05ms     |
+|       75%       |     67.80ms     |
+|       50%       |     53.85ms     |
++ --------------- + --------------- +
+
+736 Errors: error shutting down connection: Socket is not connected (os error 57)
+
+sleep 3 secs
+----------------------------
+Benchmark on caddy
+Beginning round 1...
+Benchmarking 512 connections @ http://localhost:8100 for 15 second(s)
+  Latencies:
+    Avg      Stdev    Min      Max
+    83.17ms  73.71ms  1.24ms   734.67ms
+  Requests:
+    Total:  91685  Req/Sec: 6114.05
+  Transfer:
+    Total: 73.20 MB Transfer Rate: 4.88 MB/Sec
++ --------------- + --------------- +
+|   Percentile    |   Avg Latency   |
++ --------------- + --------------- +
+|      99.9%      |    642.29ms     |
+|       99%       |    507.21ms     |
+|       95%       |    324.34ms     |
+|       90%       |    249.55ms     |
+|       75%       |    174.62ms     |
+|       50%       |    128.85ms     |
++ --------------- + --------------- +
+
+740 Errors: error shutting down connection: Socket is not connected (os error 57)
+```
diff --git a/bench/bench.sh b/bench/bench.sh
index 70a8afc..0d5477f 100644
--- a/bench/bench.sh
+++ b/bench/bench.sh
@@ -16,7 +16,7 @@
 echo "----------------------------"
 echo "Benchmark on rpxy"
 #wrk -t8 -c100 -d30s http://127.0.0.1:8080/index.html
-rewrk -c 256 -t 4 -d 10s -h http://localhost:8080 --pct
+rewrk -c 512 -t 4 -d 15s -h http://localhost:8080 --pct
 
 echo "sleep 3 secs"
 sleep 3
@@ -24,7 +24,7 @@ sleep 3
 echo "----------------------------"
 echo "Benchmark on nginx"
 # wrk -t8 -c100 -d30s http://127.0.0.1:8090/index.html
-rewrk -c 256 -t 4 -d 10s -h http://localhost:8090 --pct
+rewrk -c 512 -t 4 -d 15s -h http://localhost:8090 --pct
 
 echo "sleep 3 secs"
 sleep 3
@@ -32,4 +32,4 @@ sleep 3
 echo "----------------------------"
 echo "Benchmark on caddy"
 # wrk -t8 -c100 -d30s http://127.0.0.1:8100/index.html
-rewrk -c 256 -t 4 -d 10s -h http://localhost:8100 --pct
+rewrk -c 512 -t 4 -d 15s -h http://localhost:8100 --pct
diff --git a/bench/docker-compose.yml b/bench/docker-compose.yml
index 391b539..1b4bfa0 100644
--- a/bench/docker-compose.yml
+++ b/bench/docker-compose.yml
@@ -38,7 +38,7 @@ services:
       bench-nw:
 
   nginx-rp:
-    image: jwilder/nginx-proxy:alpine
+    image: nginx:alpine
     container_name: proxy-nginx
     ports:
       - 127.0.0.1:8090:80
@@ -46,8 +46,7 @@ services:
     tty: false
     privileged: true
     volumes:
-      - ./nginx_data/vhost:/etc/nginx/vhost.d:ro
-      - ./nginx_data/conf:/etc/nginx/conf.d/:ro
+      - ./nginx.conf:/etc/nginx/conf.d/default.conf:ro
       - /var/run/docker.sock:/tmp/docker.sock:ro
     logging:
       options:
diff --git a/bench/nginx_data/conf/default.conf b/bench/nginx.conf
similarity index 100%
rename from bench/nginx_data/conf/default.conf
rename to bench/nginx.conf
diff --git a/bench/rpxy.toml b/bench/rpxy.toml
index 5eeeb7b..ccb11d7 100644
--- a/bench/rpxy.toml
+++ b/bench/rpxy.toml
@@ -5,7 +5,7 @@ listen_port = 8080
 max_concurrent_streams = 128
 max_clients = 512
 
-default_app = 'localhost' # passing through 127.0.0.1
+# default_app = 'localhost' # passing through 127.0.0.1
 
 [apps]
 
@@ -20,4 +20,3 @@ reverse_proxy = [
 
 
 [experimental]
-h3 = false